This was
your sky.
Blue Arcs Toward Andromeda
These enormous blue arcs, called SDSO 1, were found near the Andromeda Galaxy. They span almost the same angular size as Andromeda itself. After 550 hours of observation, astronomers confirmed that SDSO 1 is not intergalactic, but is instead part of our own Milky Way.
We cannot put this date's photograph on paper at poster size. We can print the nearest public archive plate to your date instead.
Prints are coming soon. The card is free to save and share in the meantime.
Released on your day
Space pictures released on your month and day in other years, or a few days either side. Each one is sharp enough to print as a poster.
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Released on 4 August 2014 IC 4499: A globular cluster’s age revisited See it as a poster -
Released on 4 August 2005 Hubble Spies a Zoo of Galaxies See it as a poster -
Released on 4 August 2025 A sea monster and a Tarantula See it as a poster -
Released on 4 August 2021 EHT Resolves Central Jet from Black Hole in Cen A See it as a poster -
Released on 4 August 2023 The sun's glint and the deep blue waters of the Mediterranean Sea stand in stark contrast to the desert coast of Libya See it as a poster
In tropical astrology, 4 AUG 2025 falls under Leo (♌). The sign's window runs from 07-23 through 08-22. Leo is anchored by Regulus, the heart of the Lion, twenty-four parsecs from Earth. The Sun was crossing this region of the sky on 4 AUG 2025.